Yad Ephraim on Shulchan Arukh, Orach Chayim Siman 485
Can copy this into an AI, or connect the whole library to your assistant. For deeper learning, you can directly use the original seforim, sites, and apps.
**במג"א ס"ק א'**מצה סתם משום דהוי איסור כולל כיון שחל כו' כצ"ל: